CN204036784U - A kind of two plate clamping apparatus - Google Patents
A kind of two plate clamping apparatus Download PDFInfo
- Publication number
- CN204036784U CN204036784U CN201420379648.XU CN201420379648U CN204036784U CN 204036784 U CN204036784 U CN 204036784U CN 201420379648 U CN201420379648 U CN 201420379648U CN 204036784 U CN204036784 U CN 204036784U
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- CN
- China
- Prior art keywords
- pull bar
- locking
- rotating nut
- clamping apparatus
- hydraulic fluid
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Abstract
The utility model discloses a kind of two plate clamping apparatus, comprise retaining mechanism, be arranged on the Mode-locking oil cylinder on solid plate and the pull bar being arranged in moving platen, locking piston is provided with in Mode-locking oil cylinder, the front end of pull bar is fixed on locking piston, moving platen is provided with retaining mechanism, pull bar can be fixed on moving platen by retaining mechanism, its advantage is that the front end of pull bar is fixed in solid plate, and pull bar is arranged on moving platen, pull bar remains steady, traditional balance retainer can be omitted, thus make this two plates clamping apparatus structure simple and stationary performance is good, reduce manufacturing cost, retaining mechanism for locking pull bar is directly installed on moving platen, and the Mode-locking oil cylinder avoided on solid plate works alone, and can reduce Mode-locking oil cylinder because of its inner locked mode piston rotation and occur oil leakage phenomenon.
Description
Technical field
The utility model relates to a kind of clamping apparatus of injection machine, especially a kind of two plate clamping apparatus.
Background technology
Clamping apparatus is one of most important mechanical part of injection machine; existing two plate clamping apparatus; comprise four pull bars be fixed on moving platen and the Mode-locking oil cylinder be arranged on solid plate; retaining mechanism is provided with between pull bar and Mode-locking oil cylinder; retaining mechanism comprises and is arranged on locking piston in Mode-locking oil cylinder and close-connected pull-rod nut with it; pull-rod nut is provided with the link gear that it can be made to turn an angle, back segment and the locking piston of pull-rod nut are together by a threaded connection.When injection moulding machine mode-locking, moving platen drives pull bar to move to solid plate, and when pull bar front end to be stretched in pull-rod nut and withstood locking piston, link gear drives pull-rod nut to turn an angle, and is fixed on solid plate by pull bar; When injection moulding machine mould open, link gear drives pull-rod nut to turn an angle, pull-rod nut releasing lever, and solid plate drives pull bar to exit solid plate.Pull bar due to the gravity effect of self easily sagging, pull bar can not steadily, accurately stretch in pull-rod nut, so be provided with balance retainer at pull bar afterbody, to ensure that pull bar can stretch in pull-rod nut reposefully.But two plate clamping apparatus of this structure exist following problem: 1. the balance retainer arranged because avoiding pull bar sagging, make this two plates clamping apparatus complicated structure, and the cost manufacturing this balance retainer is higher; 2. be provided with Mode-locking oil cylinder in solid plate, be provided with retaining mechanism between pull bar and Mode-locking oil cylinder, retaining mechanism rotates and easily causes the easy leakage of oil of Mode-locking oil cylinder.
Summary of the invention
Technical problem to be solved in the utility model is to provide that a kind of structure is simple, low cost of manufacture, pull bar stationary performance are good and the two plate clamping apparatus that Leakage is few.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of two plate clamping apparatus; comprise retaining mechanism, be arranged on the Mode-locking oil cylinder on solid plate and be arranged in the pull bar of moving platen; locking piston is provided with in described Mode-locking oil cylinder; the front end of described pull bar is fixed on described locking piston; described moving platen is provided with described retaining mechanism, and described pull bar can be fixed on described moving platen by described retaining mechanism.
Groove is provided with, being bolted in described groove of described pull bar in described locking piston.Pull bar is fixed on solid plate.
Described retaining mechanism comprises rotating nut and can make its driving mechanism turned an angle.During locked mode, driving mechanism drives rotating nut rotation lock pull bar, makes pull bar be fixed on moving platen; During die sinking, driving mechanism drives rotating nut to rotate disengagement pull bar.
Described driving mechanism comprises and is arranged on gear outside described rotating nut, with the tooth bar of described gears meshing with turn lock oil cylinder, described tooth bar is arranged on drive link two ends, described drive link is arranged in and described turns lock oil cylinder, described drive link is provided with and turns lock piston, the described lock piston that turns is positioned at and described turns lock oil cylinder.The gear of rotating nut and tooth bar are effectively identical, and make pull bar even effectively, firm is fixed on moving platen.
Described turn lock oil cylinder by turning brake cylinder cylinder, be arranged on turning brake cylinder upper cover and turn brake cylinder lower cover and forming of its two ends, the described brake cylinder upper cover that turns has and described the first hydraulic fluid port turning brake cylinder cylinder and be communicated with, the described brake cylinder lower cover that turns has and described the second hydraulic fluid port turning brake cylinder cylinder and be communicated with, when the second described hydraulic fluid port oil-feed, the first described hydraulic fluid port draining, the described trace turned described in lock piston driving moves to the first described hydraulic fluid port, rotating nut described in described rack drives turns clockwise, the described pull bar described in rotating nut locking; When the first described hydraulic fluid port oil-feed, the second described hydraulic fluid port draining, the described trace turned described in lock piston driving moves to the second described hydraulic fluid port, rotating nut described in described rack drives is rotated counterclockwise, described rotating nut unclamps described pull bar, and described pull bar is in free state.
Described moving platen is provided with the first inner chamber of the rotating nut described in accommodation, the first pad is provided with between described rotating nut bottom surface and the first described inner chamber bottom surface, described rotating nut is provided with lining, described sleeve outer surface is adjacent to the first described intracavity inner surface, described rotating nut is provided with boss, between described rotating nut friction top and described boss, is provided with the second pad.The application of the first pad, the second pad and lining make rotating nut stable in the first inner chamber, avoid rotating nut to loosen.
Described rotating nut inwall is arranged at intervals with at least two row locking grooves, described pull bar is provided with the locking projection with described locking groove match.During die sinking, driving mechanism drives rotating nut to turn an angle, and the locking projection of pull bar embeds locking groove, and locking nut throws off pull bar.During locked mode, driving mechanism drives rotating nut to rotate backward, and the locking projection of pull bar is locked in locking nut.
Described rotating nut inwall is arranged at intervals with the locking groove described in four row.Now, pull bar fixed effect is best.
Compared with prior art, the utility model has the advantage of that the front end of pull bar is fixed in solid plate, and pull bar is arranged on moving platen, pull bar remains steady, traditional balance retainer can be omitted, thus make this two plates clamping apparatus structure simple and stationary performance is good, reduce manufacturing cost; Retaining mechanism for locking pull bar is directly installed on moving platen, and the Mode-locking oil cylinder avoided on solid plate works alone, and can reduce Mode-locking oil cylinder because of its inner locked mode piston rotation and occur oil leakage phenomenon.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the enlarged drawing at A place in Fig. 1;
Fig. 3 is the schematic diagram of drives structure of the present utility model;
Fig. 4 is the enlarged drawing at B place in Fig. 3;
Fig. 5 is pull bar and rotating nut structure chart when staggering;
Fig. 6 is pull bar and rotating nut structure chart when coordinating.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
One two plate clamping apparatus as shown in Figure 1; comprise retaining mechanism 3, be arranged on the Mode-locking oil cylinder 2 on solid plate 1 and be arranged in the pull bar 5 of moving platen 4; locking piston 21 is provided with in Mode-locking oil cylinder 2; the front end of pull bar 5 is fixed on locking piston 21; moving platen 4 is provided with retaining mechanism 3, pull bar 5 can be fixed on moving platen 4 by retaining mechanism 3.
In this particular embodiment, in locking piston 21, be provided with groove 211, being fixed in groove 211 by bolt 212 of pull bar 5.
The driving mechanism 32 that retaining mechanism 3 as shown in Figure 2 comprises rotating nut 31 and it can be made to turn an angle.
In this particular embodiment, driving mechanism 32 comprises and is arranged on gear outside rotating nut 31, with the tooth bar 321 of gears meshing with turn lock oil cylinder 6, tooth bar 321 is arranged on drive link 322 two ends, drive link 322 is arranged in and turns lock oil cylinder 6, drive link 322 is provided with and turns lock piston 323, turn lock piston 323 and be positioned at and turn lock oil cylinder 6.
As shown in Figure 3 and Figure 4 turn lock oil cylinder 6 by turning brake cylinder cylinder 61, be arranged on turning brake cylinder upper cover 62 and turn brake cylinder lower cover 63 and forming of its two ends, turn brake cylinder upper cover 62 to have and the first hydraulic fluid port 621 turning brake cylinder cylinder 61 and be communicated with, turn brake cylinder lower cover 63 to have and the second hydraulic fluid port 631 turning brake cylinder cylinder 61 and be communicated with, when the second hydraulic fluid port 631 oil-feed, the first hydraulic fluid port 621 draining, turning lock piston 323 drives drive link 322 to move to the first hydraulic fluid port 621, tooth bar 321 drives rotating nut 31 to turn clockwise, and rotating nut 31 locks pull bar 5; When the first hydraulic fluid port 621 oil-feed, the second hydraulic fluid port 631 draining, turn lock piston 323 and drive drive link 322 to move to the second hydraulic fluid port 631, tooth bar 321 drives rotating nut 31 to be rotated counterclockwise, and rotating nut 31 releasing lever 5, pull bar 5 is in free state.
In this particular embodiment, moving platen 4 is provided with the first inner chamber 41 holding rotating nut 31, the first pad 411 is provided with between rotating nut 31 bottom surface and the first inner chamber 41 bottom surface, rotating nut 31 is provided with lining 412, lining 412 outer surface is adjacent to the first inner chamber 41 inner surface, rotating nut 31 is provided with boss, between rotating nut 31 friction top and boss, is provided with the second pad 413.
Rotating nut 31 inwall is as shown in Figure 5 and Figure 6 arranged at intervals with at least two row locking grooves 311, pull bar 5 is provided with and the locking projection 51 of locking groove 311 and matching.
In this particular embodiment, rotating nut 31 inwall is arranged at intervals with four row locking grooves 311.
Claims (8)
1. a plate clamping apparatus; comprise retaining mechanism, be arranged on the Mode-locking oil cylinder on solid plate and be arranged in the pull bar of moving platen; locking piston is provided with in described Mode-locking oil cylinder; it is characterized in that the front end of described pull bar is fixed on described locking piston; described moving platen is provided with described retaining mechanism, and described pull bar can be fixed on described moving platen by described retaining mechanism.
2. a kind of two plate clamping apparatus according to claim 1, is characterized in that being provided with groove in described locking piston, being bolted in described groove of described pull bar.
3. a kind of two plate clamping apparatus according to claim 1, is characterized in that described retaining mechanism comprises rotating nut and can make its driving mechanism turned an angle.
4. a kind of two plate clamping apparatus according to claim 3, it is characterized in that described driving mechanism comprises and be arranged on gear outside described rotating nut, with the tooth bar of described gears meshing with turn lock oil cylinder, described tooth bar is arranged on drive link two ends, described drive link is arranged in and described turns lock oil cylinder, described drive link is provided with and turns lock piston, the described lock piston that turns is positioned at and described turns lock oil cylinder.
5. a kind of two plate clamping apparatus according to claim 4, it is characterized in that described turning lock oil cylinder by turning brake cylinder cylinder, be arranged on turning brake cylinder upper cover and turning brake cylinder lower cover composition of its two ends, the described brake cylinder upper cover that turns has and described the first hydraulic fluid port turning brake cylinder cylinder and be communicated with, the described brake cylinder lower cover that turns has and described the second hydraulic fluid port turning brake cylinder cylinder and be communicated with, when the second described hydraulic fluid port oil-feed, during described first hydraulic fluid port draining, the described drive link turned described in lock piston driving moves to the first described hydraulic fluid port, rotating nut described in described rack drives turns clockwise, the described pull bar described in rotating nut locking, when the first described hydraulic fluid port oil-feed, the second described hydraulic fluid port draining, the described drive link turned described in lock piston driving moves to the second described hydraulic fluid port, rotating nut described in described rack drives is rotated counterclockwise, described rotating nut unclamps described pull bar, and described pull bar is in free state.
6. a kind of two plate clamping apparatus according to claim 1, it is characterized in that the first inner chamber of the rotating nut described moving platen is provided with described in accommodation, the first pad is provided with between described rotating nut bottom surface and the first described inner chamber bottom surface, described rotating nut is provided with lining, described sleeve outer surface is adjacent to the first described intracavity inner surface, described rotating nut is provided with boss, between described rotating nut friction top and described boss, is provided with the second pad.
7. a kind of two plate clamping apparatus according to claim 3, is characterized in that described rotating nut inwall is arranged at intervals with at least two row locking grooves, described pull bar are provided with the locking projection with described locking groove match.
8. a kind of two plate clamping apparatus according to claim 7, is characterized in that described rotating nut inwall is arranged at intervals with the locking groove described in four row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420379648.XU CN204036784U (en) | 2014-07-10 | 2014-07-10 | A kind of two plate clamping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420379648.XU CN204036784U (en) | 2014-07-10 | 2014-07-10 | A kind of two plate clamping apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204036784U true CN204036784U (en) | 2014-12-24 |
Family
ID=52237489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420379648.XU Expired - Fee Related CN204036784U (en) | 2014-07-10 | 2014-07-10 | A kind of two plate clamping apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204036784U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922527A (en) * | 2015-02-27 | 2016-09-07 | 恩格尔奥地利有限公司 | Forming machine and closing unit used for forming machine |
| CN107401109A (en) * | 2017-06-30 | 2017-11-28 | 湖北华舟重工应急装备股份有限公司 | A kind of springboard switching mechanism with locking device |
| CN107476182A (en) * | 2017-06-30 | 2017-12-15 | 湖北华舟重工应急装备股份有限公司 | A kind of two level springboard automatic turning mechanism with locking device |
| CN107756748A (en) * | 2016-08-22 | 2018-03-06 | 上海光塑机械制造有限公司 | One kind rotation interlocks combined floodgate clamping mechanism |
-
2014
- 2014-07-10 CN CN201420379648.XU patent/CN204036784U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922527A (en) * | 2015-02-27 | 2016-09-07 | 恩格尔奥地利有限公司 | Forming machine and closing unit used for forming machine |
| CN107756748A (en) * | 2016-08-22 | 2018-03-06 | 上海光塑机械制造有限公司 | One kind rotation interlocks combined floodgate clamping mechanism |
| CN107401109A (en) * | 2017-06-30 | 2017-11-28 | 湖北华舟重工应急装备股份有限公司 | A kind of springboard switching mechanism with locking device |
| CN107476182A (en) * | 2017-06-30 | 2017-12-15 | 湖北华舟重工应急装备股份有限公司 | A kind of two level springboard automatic turning mechanism with locking device |
| CN107476182B (en) * | 2017-06-30 | 2020-10-20 | 中国船舶重工集团应急预警与救援装备股份有限公司 | Automatic second-stage springboard overturning mechanism with locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NINGBO JINGQIONG MACHINERY MANUFACTURING CO. LTD. Free format text: FORMER NAME: NINGBO NEW HAITAI PLASTIC MACHINERY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 315113 Zhejiang city of Ningbo province Yinzhou District east Wu Village Patentee after: NINGBO JINGQIONG MACHINERY MANUFACTURING CO., LTD. Address before: 315113 Zhejiang city of Ningbo province Yinzhou District east Wu Village Patentee before: Ningbo Xinhaitai Plastic Machinery Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20190710 |